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Fix a witness(4) warning introduced in r217238.

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This commit is contained in:
Jung-uk Kim 2011-01-11 19:20:01 +00:00
parent 7f103a3a85
commit 5947a0a3c8
1 changed files with 18 additions and 13 deletions
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31
sys/dev/acpica/Osd/OsdInterrupt.c
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@ -91,6 +91,18 @@ acpi_intr_handler(void *arg)
return (FILTER_STRAY);
}
static void
acpi_intr_destroy(device_t dev, struct acpi_intr *ai)
{
if (ai->ai_handle != NULL)
bus_teardown_intr(dev, ai->ai_irq, ai->ai_handle);
if (ai->ai_irq != NULL)
bus_release_resource(dev, SYS_RES_IRQ, ai->ai_rid, ai->ai_irq);
bus_delete_resource(dev, SYS_RES_IRQ, ai->ai_rid);
free(ai, M_ACPIINTR);
}
ACPI_STATUS
AcpiOsInstallInterruptHandler(UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine, void *Context)
@ -123,6 +135,8 @@ AcpiOsInstallInterruptHandler(UINT32 InterruptNumber,
ai->ai_number = InterruptNumber;
ai->ai_handler = ServiceRoutine;
ai->ai_context = Context;
SLIST_INSERT_HEAD(&acpi_intr_list, ai, ai_link);
mtx_unlock(&acpi_intr_lock);
/*
* If the MADT contained an interrupt override directive for the SCI,
@ -151,19 +165,13 @@ AcpiOsInstallInterruptHandler(UINT32 InterruptNumber,
device_printf(sc->acpi_dev, "could not set up interrupt\n");
goto error;
}
SLIST_INSERT_HEAD(&acpi_intr_list, ai, ai_link);
mtx_unlock(&acpi_intr_lock);
return_ACPI_STATUS (AE_OK);
error:
mtx_lock(&acpi_intr_lock);
SLIST_REMOVE(&acpi_intr_list, ai, acpi_intr, ai_link);
mtx_unlock(&acpi_intr_lock);
if (ai->ai_handle != NULL)
bus_teardown_intr(sc->acpi_dev, ai->ai_irq, ai->ai_handle);
if (ai->ai_irq != NULL)
bus_release_resource(sc->acpi_dev, SYS_RES_IRQ, ai->ai_rid,
ai->ai_irq);
bus_delete_resource(sc->acpi_dev, SYS_RES_IRQ, ai->ai_rid);
free(ai, M_ACPIINTR);
acpi_intr_destroy(sc->acpi_dev, ai);
return_ACPI_STATUS (AE_ALREADY_EXISTS);
}
@ -195,10 +203,7 @@ AcpiOsRemoveInterruptHandler(UINT32 InterruptNumber,
mtx_unlock(&acpi_intr_lock);
if (ai == NULL)
return_ACPI_STATUS (AE_NOT_EXIST);
bus_teardown_intr(sc->acpi_dev, ai->ai_irq, ai->ai_handle);
bus_release_resource(sc->acpi_dev, SYS_RES_IRQ, ai->ai_rid, ai->ai_irq);
bus_delete_resource(sc->acpi_dev, SYS_RES_IRQ, ai->ai_rid);
free(ai, M_ACPIINTR);
acpi_intr_destroy(sc->acpi_dev, ai);
return_ACPI_STATUS (AE_OK);
}